NPPB and acute kidney injury: Patients who developed AKI had higher indices of soluble ST2 (sST2), N terminal pro-brain natriuretic peptide (NT-proBNP), heart-type fatty acid binding protein (H-FABP), aspartate transaminase, lactic dehydrogenase (LDH), uric acid (UA), total bile acid, serum potassium, serum magnesium, or had lower indices of high-density lipoprotein (HDL), PO2, hemoglobin, hematocrit (all P < 0.05).